Flower holder



FIG. 1 is a perspective view of a flower holder showing my new design;

FIG. 2 is a left side elevational view thereof, the right side, front and rear being the same in appearance;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a flower holder, as shown and described. 